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钎焊是制冷装置用小型压力容器重要制造工艺之一。本文分析了小型压力容器的典型钎焊工艺及水压爆破试验钎焊结构失效特征,对钎焊结合面缺陷的显微形貌进行扫描电镜分析,研究缺陷的主要成因。
Brazing is one of the most important manufacturing processes for small pressure vessels used in refrigeration equipment. In this paper, the typical brazing process of small pressure vessels and the failure characteristics of brazed structures by hydraulic blasting are analyzed. The microstructure of brazed joints is analyzed by SEM and the main causes of defects are analyzed.